Two officers sustained nonlife-threatening injuries and the 28-year-old suspect, Ahmad Khan Rahami, was wounded and taken to a hospital, authorities said.

Sources told NBC News that Rahami was seen on a video on 23rd and 27th streets in the Chelsea section of Manhattan on Saturday night. A bomb exploded on 23rd Street, injuring 29 people, and police found an undetonated device on 27th Street.